Barry, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.7 °C (low) to 12 °C (high). Annual precipitation averages 647.4 Millimeters. Barry is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.2 °C | -6.1 °C | 16.76 mm |
| February | -14.2 °C | -3.7 °C | 16.76 mm |
| March | -7.2 °C | 3.3 °C | 29.46 mm |
| April | 0.1 °C | 12.3 °C | 62.48 mm |
| May | 7.5 °C | 19.9 °C | 74.42 mm |
| June | 13.7 °C | 25.1 °C | 102.11 mm |
| July | 15.9 °C | 27.6 °C | 103.89 mm |
| August | 14.3 °C | 26.6 °C | 69.85 mm |
| September | 9.3 °C | 22.4 °C | 66.8 mm |
| October | 2.2 °C | 14.1 °C | 61.21 mm |
| November | -5.3 °C | 4.9 °C | 25.4 mm |
| December | -12.3 °C | -2.9 °C | 18.29 mm |
| Annual | 0.7 °C | 12 °C | 647.43 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |